3 years ago

How many real number solutions does the equation have

Mathematics

1 answer:

Olin [163]3 years ago

8 0

$D =b^2-4ac = 20^2-4*2*50 = 0$
a. one solution

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Colby has 16 jars of spices. He wants to arrange them in arrays what arrays could he use to arrange them?

allsm [11]

Answer:

1 row with 16 jars, 2 rows with 8 jars and 4 rows with 4 jars are the arrays in order to arrange jars.

Step-by-step explanation:

Since, there are 16 jars of spices and he has to arrange them in arrays, then he can arrange 16 jars each in one row, 8 jars each in 2 rows and 4 jars each in 4 rows.

These are the only possibilities without breaking the jars into pieces.

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A parking lot in the shape of a trapezoid has an area of 126 square meters. The length of one base is 8 meters, and the length o

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Step-by-step explanation:

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if you paid $12000 for stock that was $ 8 per share and then sold all shares for 15000 how much profit did you make ?

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For what values of x does 25 Superscript x Baseline = 5 Superscript x squared minus 3?

umka2103 [35]

For this case we have the following equation:

$25^{x} = 5^{ x^2-3}$

Rewriting we have:

$5^{2 (x)} = 5^{ x^ 2-3}\\5^{ 2x} = 5^{ x^ 2-3}$

For expressions to be equal, exponents must be equal. So:

$2x = x ^ 2-3\\x ^ 2-2x-3 = 0$

To factor, we look for two numbers that, when multiplied, result in -3 and when added, result in -2. These numbers are -3 and 1.

$(x-3) (x + 1) = 0$

Thus, the roots are:

$x_ {1} = 3\\x_ {2} = - 1$

Answer:

$x_ {1} = 3\\x_ {2} = - 1$

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3 years ago